Question

chemical nature of DNA is _______.​

Answer 1

DNA has three types of chemical component: phosphate, a sugar called deoxyribose, and four nitrogenous bases—adenine, guanine, cytosine, and thymine. Two of the bases, adenine and guanine, have a double-ring structure characteristic of a type of chemical called a purine.

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Answer 2

$\huge \bf \purple{HELLO}$

ANSWER ⤵⤵⤵⤵

➡➡DNA has three types of chemical component:

phosphate, a sugar called deoxyribose, and four nitrogenous bases—adenine, guanine, cytosine, and thymine. Two of the bases, adenine and guanine, have a double-ring structure characteristic of a type of chemical called a purine.

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